Four Roses is an iconic distillery producing some of the world's most sought after bourbon. Their limited edition bottlings and many of their single barrel bottlings that gain notoriety trade on the secondary for many times their retail value. The head of production is the Master Distiller Brent Elliott. What makes Four Roses different is that they have two mashbills and five different yeast strains that produce 10 different bourbon recipes. Brent is arguably the world most experienced expert when it comes to yeast's impact on the flavor of bourbon. Yeast is a tricky little organism that loves to mutate, which is terrible if you are trying to maintain consistency of flavor. Every whiskey nerd has a drive to understand why our whiskey tastes the way it does. This short but information packed episode is a must watch for every whiskey enthusiast.